Home / 276,564.58-381,672.03-167,672.32

Finding the Fourth Proportional to 276,564.58, 381,672.03 and 167,672.32

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Solution

The fourth proportional to 276,564.58, 381,672.03 and 167,672.32 is: 231,395.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,564.58 : 381,672.03 = 167,672.32 : x
  2. Step 2: Convert to fraction form
    276,564.58/381,672.03 = 167,672.32/x
  3. Step 3: Cross multiply
    276,564.58x = 381,672.03 × 167,672.32
  4. Step 4: Simplify right side
    276,564.58x = 63,995,834,423.80
  5. Step 5: Solve for x
    x = 63,995,834,423.80/276,564.58
  6. Step 6: Final answer
    x = 231,395.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.